Home / 10,887,478,900.80-16,331,218,351.20-3,132,691,828.80

Finding the Fourth Proportional to 10,887,478,900.80, 16,331,218,351.20 and 3,132,691,828.80

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Solution

The fourth proportional to 10,887,478,900.80, 16,331,218,351.20 and 3,132,691,828.80 is: 4,699,037,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887,478,900.80 : 16,331,218,351.20 = 3,132,691,828.80 : x
  2. Step 2: Convert to fraction form
    10,887,478,900.80/16,331,218,351.20 = 3,132,691,828.80/x
  3. Step 3: Cross multiply
    10,887,478,900.80x = 16,331,218,351.20 × 3,132,691,828.80
  4. Step 4: Simplify right side
    10,887,478,900.80x = 51,160,674,283,152,850,944
  5. Step 5: Solve for x
    x = 51,160,674,283,152,850,944/10,887,478,900.80
  6. Step 6: Final answer
    x = 4,699,037,743.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.